234123010220 has 24 divisors (see below), whose sum is σ = 536354533008. Its totient is φ = 85135640000.

The previous prime is 234123010207. The next prime is 234123010259. The reversal of 234123010220 is 22010321432.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 234123010192 and 234123010201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532097531 + ... + 532097970.

It is an arithmetic number, because the mean of its divisors is an integer number (22348105542).

Almost surely, 2^234123010220 is an apocalyptic number.

234123010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234123010220 is an abundant number, since it is smaller than the sum of its proper divisors (302231522788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234123010220 is a wasteful number, since it uses less digits than its factorization.

234123010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064195521 (or 1064195519 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 234123010220 its reverse (22010321432), we get a palindrome (256133331652).

The spelling of 234123010220 in words is "two hundred thirty-four billion, one hundred twenty-three million, ten thousand, two hundred twenty".